These nine dive destinations go from cold to coldest and put your cold water tolerance to the test. How low will you go for a dive?

Diver will delight in the springs scattered across central Florida no matter certification level.

Jacques Cousteau inspired thousands of globe-trotters through his famous ocean exploration documentaries. Sites he discovered or praised over 50 years ago remain diving meccas, from Mexico to Thailand. Here’s how to experience the places that impressed even the biggest name in diving.

Known for their underwater guidebooks, Reef Smart is working to make reef and wreck sites more accessible by installing site orientation maps on beaches and walls of dive centers.

On South Africa's Wild Coast, divers travel near and far for a chance to take part in the world's largest sardine run.

All Star Liveaboards

How to pick travel insurance, protect valuables abroad, and get reliable global information during an emergency far from home.

This island in Europe lets you alternate between wreck diving and epic animal encounters.

These cave explorers never know what they will find but they are on a mission to map as many unexplored cave systems as they can.